Kim has the busiest week of her life as she prepares for the birth of her fourth baby, stars in a music video with Paris Hilton, and heads to the Met Gala; Kourtney realizes someone close to her family has been stealing from her.

Khloe's ex-husband Lamar Odom releases a memoir; an old rumor resurfaces and Kris worries that it will spark a fight between her and Khloe; Kim is nervous to speak at a live press conference at the White House.